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X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 8/5/22 9:42 AM, Kanchan Joshi wrote: > Hi, > > Series enables async polling on io_uring command, and nvme passthrough > (for io-commands) is wired up to leverage that. > > 512b randread performance (KIOP) below: > > QD_batch block passthru passthru-poll block-poll > 1_1 80 81 158 157 > 8_2 406 470 680 700 > 16_4 620 656 931 920 > 128_32 879 1056 1120 1132 Curious on why passthru is slower than block-poll? Are we missing something here? -- Jens Axboe